When did the Catskill Mountains form?

e Catskill Mountains or the Catskills are a large area in the southeastern portion of the U.S. state of New York. They are located approximately 100 miles north-northwest of New York City and forty miles southwest ofAlbany, starting just west of the Hudson River. read more

The Catskills form the northeastern end of the Allegheny Plateau (also known as the Appalachian Plateau). The Catskills are well known in American culture, both as the setting for many 19th-century Hudson River School paintings and as the favored destination for vacationers from New York City in the mid-20th century. read more

The Catskill Mountains are not really mountains at all! They are actually the remains of a what were originally river deposits from material eroded from older mountains to the east of the Catskills in New England, called the Acadian Mountains. read more